201023313443 has 2 divisors, whose sum is σ = 201023313444. Its totient is φ = 201023313442.

The previous prime is 201023313289. The next prime is 201023313451. The reversal of 201023313443 is 344313320102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201023313443 - 2⁸ = 201023313187 is a prime.

It is not a weakly prime, because it can be changed into another prime (201023313493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511656721 + 100511656722.

It is an arithmetic number, because the mean of its divisors is an integer number (100511656722).

Almost surely, 2^201023313443 is an apocalyptic number.

201023313443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201023313443 is an equidigital number, since it uses as much as digits as its factorization.

201023313443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 201023313443 its reverse (344313320102), we get a palindrome (545336633545).

The spelling of 201023313443 in words is "two hundred one billion, twenty-three million, three hundred thirteen thousand, four hundred forty-three".